Home / 69,146.40-95,387.04-40,447.29

Finding the Fourth Proportional to 69,146.40, 95,387.04 and 40,447.29

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Solution

The fourth proportional to 69,146.40, 95,387.04 and 40,447.29 is: 55,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,146.40 : 95,387.04 = 40,447.29 : x
  2. Step 2: Convert to fraction form
    69,146.40/95,387.04 = 40,447.29/x
  3. Step 3: Cross multiply
    69,146.40x = 95,387.04 × 40,447.29
  4. Step 4: Simplify right side
    69,146.40x = 3,858,147,269.12
  5. Step 5: Solve for x
    x = 3,858,147,269.12/69,146.40
  6. Step 6: Final answer
    x = 55,796.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.